Black Box LMC5180C-R3, LMC5114C-R3 manual Link Integrity, DIP Switch on S1 Feature Default Setting

Chapter 4: Install the High-Density Media Converter System II Layer 2 Modules

DIP Switch on S1	Feature	Default Setting
1	Auto Negotiation (AN)	ON
2	Far End Fault (FEF)	OFF
3	FX LinkLoss (FXLL)	OFF
4	TX LinkLoss (TXLL)	OFF
5	FiberAlert (FA)	OFF
6	Factory Default	OFF
7	Factory Default	OFF
8	Factory Default	OFF

4.3FX LinkLoss, TX LinkLoss, Link Fault Pass-Through, Far End Fault and FiberAlert

L2 modules include the troubleshooting features FiberAlert, TXLL, FXLL, FEF and LFPT that help locate silent failures on a network. Before attempting to install the module(s), understand how these features work and react to a specific network configuration.

4.3.1Link Integrity

During normal operation, link integrity pulses are transmitted by all point-to- point Ethernet devices. When a Black Box media converter receives valid link

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